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Difficulty: MediumDomain-Specific and Technical Vocabulary

A Spanish-language installation guide for a residential solar energy system includes the following instruction:

'Para optimizar la eficiencia del sistema fotovoltaico residencial, la guía de instalación indica que es obligatorio acoplar el inversor a los módulos solares. La función principal de este dispositivo es conmutar la corriente continua generada por las células de silicio en corriente alterna compatible con el consumo doméstico.'

Based on the passage, what is the specific technical function of the 'inversor'?

  1. To convert the direct current produced by the solar cells into alternating current suitable for home use.Answer
  2. B
    To reverse the physical direction of the solar panels to follow the sun's path.
  3. C
    To store the surplus electricity generated during peak sunlight hours.
  4. D
    To directly generate electrical energy from the silicon solar cells.

Answer

The correct answer states that the function is to convert the direct current produced by the solar cells into alternating current suitable for home use.
The passage states that the primary function of the 'inversor' (inverter) is to 'conmutar' (convert/switch) 'corriente continua' (direct current) generated by the silicon cells into 'corriente alterna' (alternating current) for home use. Therefore, the option describing the conversion of direct current to alternating current is correct.

Step-by-Step Solution

1
Locate the term 'inversor' in the text and identify the sentence describing its function: 'La función principal de este dispositivo es conmutar la corriente continua... en corriente alterna...'
Identify that 'inversor' refers to an electrical inverter, which converts 'corriente continua' (direct current) to 'corriente alterna' (alternating current).
This establishes the literal meaning of the technical vocabulary within the context of the guide.
2
Analyze the technical verbs and nouns, such as 'conmutar' (to switch or convert) and 'consumo doméstico' (domestic consumption).
Understand that the conversion makes the electricity compatible with home usage.
This matches the technical description to the correct conceptual application in English.
3
Evaluate the options to select the one that accurately reflects this process without introducing false cognates or incorrect technical roles.
Choose the option detailing the conversion of direct current to alternating current.
This ensures the distractor options are eliminated systematically based on textual evidence.

Key Concept

Understanding domain-specific and technical vocabulary in Spanish-language user guides and instructions.
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Topics

Domain-Specific and Technical Vocabulary

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